What’s the Difference Between an MD and a DO? No matter what state you live in, there’s a chance you could be cared for by either type of doctor.

Mack makes several types of semi-truck, including the LR and MD models. But how do these two titans of the semi-truck world differ? Here's the lowdown.

Biden's former White House doctor, Kevin O'Connor, DO, faced questions from House GOP members investigating the former president's cognitive decline. Here's the difference between a DO and an MD.